[X86] Change BNDLDX to use anymem instead of i64mem for itsmemory operand.
[X86] Change BNDLDX to use anymem instead of i64mem for itsmemory operand.

This instruction doesn't access memory. It juse use a similar looking memory encoding. Don't require Intel syntax to put "qword ptr" in front of it.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@320845 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm